Seiko Cal. 3871 - 723

This Hand-Winding model from 1978 features a 35mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-617a7900aa52]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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